package com.lin.blog.mapper;

import com.lin.blog.model.BlogInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface BlogInfoMapper {
    //查询所有博客
    @Select("select id,title,content,user_id,update_time from blog where delete_flag=0 order by id desc")
    List<BlogInfo> selectAll();
    //根据博客id，查询博客信息
    @Select("select id,title,content,user_id,update_time from blog where id=#{id} and delete_flag=0")
    BlogInfo selectById(Integer id);
    //插入博客
    @Insert("insert into blog(title, content, user_id) values(#{title},#{content},#{userId})")
    Integer insertBlog(BlogInfo blogInfo);
    //更新博客
    Integer updateBlog(BlogInfo blogInfo);

}
